Maintaining healthy blood sugar levels is essential for overall well-being and long-term metabolic health. Whether you are monitoring glucose levels for diabetes prevention, pregnancy care, or routine health checkups, understanding a normal blood sugar levels chart can help you interpret test results correctly and take timely action.
This guide explains normal blood sugar ranges across different ages, conditions, and testing times using easy-to-understand charts.
What Is Normal Blood Sugar?
Blood sugar (glucose) is the main source of energy for the body. Levels fluctuate throughout the day depending on meals, physical activity, hormones, and overall health. Doctors typically assess blood sugar through fasting, post-meal, or random tests.
Knowing what is normal blood sugar levels chart helps differentiate between healthy glucose control, prediabetes, and diabetes.
Blood Sugar Level Normal Range Chart
Below is the blood sugar level normal range chart commonly used by healthcare professionals:
| Test Type | Normal Range (mg/dL) |
|---|---|
| Fasting Blood Sugar | 70–99 |
| After Eating (2 hours) | Below 140 |
| Random Blood Sugar | Below 140 |
| HbA1c | Below 5.7% |
Normal Fasting Blood Sugar Levels Chart
The normal fasting blood sugar levels chart applies when no calories are consumed for at least 8 hours:
| Category | Fasting Glucose (mg/dL) |
|---|---|
| Normal | 70–99 |
| Prediabetes | 100–125 |
| Diabetes | 126 or above |
This is also referred to as the fasting blood sugar levels normal range chart in lab reports.
Normal Blood Sugar Levels Chart After Eating
Post-meal testing shows how well your body processes glucose. The normal blood sugar levels chart after eating is:
| Time After Meal | Normal Range (mg/dL) |
|---|---|
| 1–2 hours | Below 140 |
This value is also known as the normal blood sugar levels chart after meal in clinical evaluations.
Normal Random Blood Sugar Levels Chart
A random blood sugar test can be done at any time. The normal random blood sugar levels chart is:
| Random Test Result | Interpretation |
|---|---|
| Below 140 mg/dL | Normal |
| 140–199 mg/dL | Prediabetes |
| 200 mg/dL or above | Diabetes |
This is also described as the random blood sugar level normal range chart.
Normal Non-Fasting Blood Sugar Levels Chart
When blood sugar is tested without fasting, the normal non fasting blood sugar levels chart generally considers:
| Test Timing | Normal Range (mg/dL) |
|---|---|
| Any time (non-fasting) | Below 140 |
This may also be referred to as the normal blood sugar levels chart non fasting in diagnostic summaries.
Normal Blood Sugar Levels Chart by Age
Glucose requirements and metabolism change with age. The normal blood sugar levels chart by age is outlined below:
| Age Group | Normal Fasting Range (mg/dL) |
|---|---|
| Children | 70–100 |
| Adults | 70–99 |
| Elderly | 70–110 |
This age-based comparison is often called the normal blood sugar levels chart age wise.
Normal Blood Sugar Levels Chart for Adults
For adults without diabetes, the normal blood sugar levels chart for adults remains:
- Fasting: 70–99 mg/dL
- After meals: Below 140 mg/dL
- Random: Below 140 mg/dL
This also represents the normal blood sugar levels chart for non diabetic individuals.
Normal Blood Sugar Levels Chart for Children
The normal blood sugar levels chart child category reflects higher metabolic needs:
| Test Type | Normal Range (mg/dL) |
|---|---|
| Fasting | 70–100 |
| After eating | Below 140 |
Normal Blood Sugar Levels Chart for Women
Hormonal changes can influence glucose levels. The normal blood sugar levels chart for women aligns with standard adult ranges, while the woman normal blood sugar levels chart is interpreted carefully during menstruation, pregnancy, or menopause.
Normal Blood Sugar Levels for Men Chart
The normal blood sugar levels for men chart follows the same clinical thresholds as adults, though lifestyle factors such as muscle mass and activity level may affect results.
Normal Blood Sugar Levels During Pregnancy Chart
Pregnancy requires closer glucose monitoring. The normal blood sugar levels during pregnancy chart is:
| Test | Normal Range (mg/dL) |
|---|---|
| Fasting | Below 95 |
| 1 hour after meal | Below 140 |
| 2 hours after meal | Below 120 |
This is also referred to as the normal blood sugar levels chart for pregnant women.
Diabetes Normal Blood Sugar Levels Chart
For diagnosed diabetics, the diabetes normal blood sugar levels chart typically targets:
| Test Type | Target Range (mg/dL) |
|---|---|
| Fasting | 80–130 |
| After meals | Below 180 |
Normal Blood Sugar Levels Throughout the Day Chart
The normal blood sugar levels throughout the day chart reflects natural fluctuations:
- Morning (fasting): 70–99 mg/dL
- After meals: Below 140 mg/dL
- Bedtime: 90–120 mg/dL
FAQs
1. What is a healthy fasting blood sugar level?
A healthy fasting blood sugar level is between 70 and 99 mg/dL for most adults.
2. Is blood sugar below 140 after meals normal?
Yes, blood sugar levels below 140 mg/dL two hours after eating are considered normal.
3. Do blood sugar levels differ by age?
Yes, children, adults, and older adults may have slightly different normal ranges due to metabolic changes.
4. Are pregnancy blood sugar levels different?
Yes, pregnancy has stricter glucose targets to protect both mother and baby.
5. Can non-fasting blood sugar tests detect diabetes?
Yes, random blood sugar tests can indicate diabetes if levels are 200 mg/dL or higher with symptoms.
Disclaimer
This content is for informational purposes only and does not replace professional medical advice, diagnosis, or treatment. Blood sugar ranges may vary based on individual health conditions. Always consult a qualified doctor or endocrinologist for personalized evaluation and treatment.
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